Leases - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) property	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Leases [Abstract]
Number of properties subject to operating lease | property	3
Operating lease, weighted average remaining term	79 years
Number of properties subject to finance lease | property	1
Finance lease, weighted average remaining term	4 years
Operating ground leases, right-of-use asset	$ 46,100
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Rental Properties, Land Held	Rental Properties, Land Held
Finance ground leases, right-of-use asset	$ 3,700
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Land Held	Land Held
Operating ground leases, liability	$ 49,470	$ 58,619
Finance ground leases, liability	$ 3,555	$ 3,555
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Operating lease, weighted average discount rate	4.30%
Finance lease, weighted average discount rate	4.30%
Operating lease expense	$ 4,100	$ 4,300	$ 3,900
Variable lease expense	0
Interest expense related to finance lease	162
Operating lease payments	$ 2,300